Home / 1,217.94-1,827.56-525.29

Finding the Fourth Proportional to 1,217.94, 1,827.56 and 525.29

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Solution

The fourth proportional to 1,217.94, 1,827.56 and 525.29 is: 788.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217.94 : 1,827.56 = 525.29 : x
  2. Step 2: Convert to fraction form
    1,217.94/1,827.56 = 525.29/x
  3. Step 3: Cross multiply
    1,217.94x = 1,827.56 × 525.29
  4. Step 4: Simplify right side
    1,217.94x = 959,991.17
  5. Step 5: Solve for x
    x = 959,991.17/1,217.94
  6. Step 6: Final answer
    x = 788.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.